Condensed Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011		Dec. 31, 2010
CURRENT ASSETS:
Cash and cash equivalents	$ 132,253	[1]	$ 130,914	[2]
Marketable securities	22,669	[1]	9,640	[2]
Accounts receivable, net of allowances of $2,631 and $3,440, respectively	132,048	[1]	119,893	[2]
Inventories	92,822	[1]	77,593	[2]
Deferred income tax assets	7,689	[1]	7,510	[2]
Income taxes receivable	6,570	[1]	6,061	[2]
Other current assets	12,393	[1]	10,156	[2]
Total current assets	406,444	[1]	361,767	[2]
PROPERTY AND EQUIPMENT, net	40,837	[1]	34,569	[2]
OTHER ASSETS:
Uncertain tax positions and deposits	8,868	[1]	8,874	[2]
Goodwill	46,515	[1]	48,360	[2]
Other intangible assets, net	45,590	[1]	48,421	[2]
Deferred income tax assets	5,176	[1]	3,166	[2]
Total assets	553,430	[1]	505,157	[2]
CURRENT LIABILITIES:
Accounts payable	50,559	[1]	56,185	[2]
Income taxes payable	7,387	[1]	3,602	[2]
Accrued payroll and employee benefits	8,881	[1]	23,202	[2]
Accrued warranty expense	8,336	[1]	7,144	[2]
Other accrued expenses	11,250	[1]	5,389	[2]
Customer deposits	10,145	[1]	6,803	[2]
Total current liabilities	96,558	[1]	102,325	[2]
LONG-TERM LIABILITIES:
Deferred income tax liabilities	5,271	[1]	5,155	[2]
Uncertain tax positions	14,176	[1]	14,176	[2]
Accrued warranty expense	6,385	[1]	5,805	[2]
Other long-term liabilities	5,943	[1]	3,728	[2]
Total liabilities	128,333	[1]	131,189	[2]
Commitments and contingencies (Note 17)		[1]		[2]
STOCKHOLDERS' EQUITY:
Preferred stock, $0.001 par value, 1,000 shares authorized, none issued and outstanding		[1]		[2]
Common stock, $0.001 par value, 70,000 shares authorized; 43,644 and 43,330 shares issued and outstanding, respectively	44	[1]	43	[2]
Additional paid-in capital	268,985	[1]	258,398	[2]
Retained earnings	127,535	[1]	88,453	[2]
Accumulated other comprehensive income	28,533	[1]	27,074	[2]
Total stockholders' equity	425,097	[1]	373,968	[2]
Total liabilities and stockholders' equity	$ 553,430	[1]	$ 505,157	[2]

[1] Amounts as of September 30, 2011 are unaudited.

[2] Amounts as of December 31, 2010 are derived from the December 31,2010 audited Consolidated Financial Statements.